2009 Confidence Interval Detail
221/Taylor
221-912/Wylie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 187,992,907 | 0.9738 | 193,050,839 | 54 | 1,736 | .002910241 |
| A | 196,970,680 | 0.9769 | 201,628,294 | 57 | 1,238 | .002729890 |
| A | 209,323,991 | 0.9910 | 211,225,016 | 56 | 1,008 | .002668738 |
| A | 204,484,166 | 0.9816 | 208,317,203 | 47 | 596 | .008563601 |
| D3 | 145,830,553 | 0.8270 | 176,336,823 | 13 | 2,789 | .057302101 |
| F1 | 20,639,168 | 0.9738 | 21,194,463 | 6 | 66 | .001994624 |
| F1 | 20,756,072 | 0.9241 | 22,460,851 | 5 | 19 | .068841779 |
| F1 | 19,784,146 | 1.0396 | 19,030,537 | 3 | 6 | .013558983 |
| L1 | 13,605,538 | 1.0028 | 13,567,549 | 6 | 83 | .002280968 |
| L1 | 15,851,410 | 1.0317 | 15,364,360 | 7 | 19 | .002404412 |
| L1 | 22,615,982 | 0.9197 | 24,590,608 | 4 | 5 | .001079888 |
| Random Totals: | 1,057,854,613 | 1,106,766,543 | 258 | 7,565 | ||
| Catg D1 Exception Values: | 5,745,626 | 5,588,690 | ||||
| Catg F1 Exception Values: | 63,580,908 | 66,401,324 | ||||
| Catg L1 Exception Values: | 50,189,993 | 53,889,024 | ||||
| Total Test Values (4): | 1,177,371,140 | 1,232,645,581 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 61,632,279 |
Confidence Interval Values (5)
| State Lower Limit: | 1,171,013,302 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,177,371,140 | (Within Confidence Interval) |
| State Upper Limit: | 1,294,277,860 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,219,304,939 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories